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Creating and Managing Traces and Templates

SQL Server 2000

In Microsoft® SQL Server™, you can use SQL Profiler to create one or more templates that define the criteria for each event you want to monitor. You can save the template to a file with the .tdf extension. A template is not executed. After you define the template, you run a trace that records the data for each event you selected.

For example, you can create a template, specifying which events, data columns, and filters to use. Then you can save the template and launch a trace with the current template settings. The trace data captured is based upon the options specified in the template. You can specify where the trace results can be saved (for example, in a trace file (.trc extension file) or a trace table).

Default Templates

Before creating a trace using SQL Profiler, you can specify a default trace template. To select a default trace template, go to the Tools menu, and then select Options.

You can also specify:

  • To start the default trace immediately after making a connection.

  • The number of lines of trace data buffered for display. If window auto-scrolling is disabled and the specified limit is reached, the trace pauses until you scroll down to the last row. At this point, 10 percent of the top rows are deleted and the trace continues.

  • A font for the displayed trace data.

  • A font size for the displayed trace data.

When creating a trace, you can specify the following:

  • A trace name.

  • Which instance of SQL Server to trace.

  • Options for saving trace data. For example, you can choose to capture trace data to the server file. If you choose this option, you must capture trace data to the server being traced and set a maximum file size for the server file. If the maximum file size is reached, you can enable the file rollover option, which creates new files to store the trace data. You can also save a trace to a file, table, or a combination of these options. If you will be tracing a large amount of data, you should save the data to the server file. This guarantees that all events produced will be saved in the file. There is a limit of 1 gigabyte (GB) for maximum file size.

  • A trace stop time.

  • Events to trace. For more information about the event classes available, see Monitoring with SQL Profiler Event Categories.

  • Data columns to capture. For more information about the data columns available, see Monitoring with SQL Profiler Event Categories.

  • Filters that specify the criteria for determining which events to capture.
Using System Stored Procedures

SQL Profiler uses system stored procedures to create traces and send the trace output to the appropriate destination. These system stored procedures can be used from within your own applications to create traces manually, instead of using SQL Profiler. This allows you to write custom applications specific to the needs of your enterprise.

The following table compares the SQL Server 2000 system stored procedures to the SQL Server version 7.0 stored procedures.

7.0 extended stored procedure 2000 stored procedures
xp_trace_geteventclassrequired fn_trace_geteventinfo
xp_trace_getqueuecreateinfo fn_trace_geteventinfo
xp_trace_getqueueproperties fn_trace_geteventinfo
xp_trace_getqueuecreateinfo fn_trace_getinfo
xp_trace_getqueuedestination fn_trace_getinfo
xp_trace_getqueueproperties fn_trace_getinfo
xp_trace_addnewqueue sp_trace_create
xp_trace_setqueuecreateinfo sp_trace_create
xp_trace_setqueuedestination sp_trace_create
xp_trace_generate_event sp_trace_generateevent
xp_trace_addnewqueue sp_trace_setevent
xp_trace_eventclassrequired sp_trace_setevent
xp_trace_seteventclassrequired sp_trace_setevent
xp_trace_destroyqueue sp_trace_setstatus
xp_trace_pausequeue sp_trace_setstatus
xp_trace_restartqueue sp_trace_setstatus
xp_trace_startconsumer sp_trace_setstatus
xp_trace_getappfilter fn_trace_getfilterinfo
xp_trace_getconnectionidfilter fn_trace_getfilterinfo
xp_trace_getcpufilter fn_trace_getfilterinfo
xp_trace_getdbIdfilter fn_trace_getfilterinfo
xp_trace_getdurationfilter fn_trace_getfilterinfo
xp_trace_geteventfilter fn_trace_getfilterinfo
xp_trace_gethostfilter fn_trace_getfilterinfo
xp_trace_gethpIdfilter fn_trace_getfilterinfo
xp_trace_getIndIdfilter fn_trace_getfilterinfo
xp_trace_getntdmfilter fn_trace_getfilterinfo
xp_trace_getntnmfilter fn_trace_getfilterinfo
xp_trace_getobjidfilter fn_trace_getfilterinfo
xp_trace_getreadfilter fn_trace_getfilterinfo
xp_trace_getserverfilter fn_trace_getfilterinfo
xp_trace_getseverityfilter fn_trace_getfilterinfo
xp_trace_getspIdfilter fn_trace_getfilterinfo
xp_trace_getsysobjectsfilter fn_trace_getfilterinfo
xp_trace_gettextfilter fn_trace_getfilterinfo
xp_trace_getuserfilter fn_trace_getfilterinfo
xp_trace_getwritefilter fn_trace_getfilterinfo
xp_trace_setappfilter sp_trace_setfilter
xp_trace_setconnectionidfilter sp_trace_setfilter
xp_trace_setcpufilter sp_trace_setfilter
xp_trace_setdbIdfilter sp_trace_setfilter
xp_trace_setdurationfilter sp_trace_setfilter
xp_trace_seteventfilter sp_trace_setfilter
xp_trace_sethostfilter sp_trace_setfilter
xp_trace_sethpIdfilter sp_trace_setfilter
xp_trace_setIndIdfilter sp_trace_setfilter
xp_trace_setntdmfilter sp_trace_setfilter
xp_trace_setntnmfilter sp_trace_setfilter
xp_trace_setobjidfilter sp_trace_setfilter
xp_trace_setreadfilter sp_trace_setfilter
xp_trace_setserverfilter sp_trace_setfilter
xp_trace_setseverityfilter sp_trace_setfilter
xp_trace_setspIdfilter sp_trace_setfilter
xp_trace_setsysobjectsfilter sp_trace_setfilter
xp_trace_settextfilter sp_trace_setfilter
xp_trace_setuserfilter sp_trace_setfilter
xp_trace_setwritefilter sp_trace_setfilter

System stored procedures expose the underlying architecture used to create traces. The architecture components are:


Generates the events to be monitored. The SQL Server lock manager, which generates lock events, is an example of a producer. For more information, see Locks Event Category.


Restricts the data monitored by the trace. For more information, see Limiting Traces.


Houses event data extracted from the trace in files.

To define your own trace using stored procedures:

  1. Specify the events to capture using sp_trace_setevent.

  2. Specify any event filters. For more information, see How to set a trace filter (Transact-SQL).

  3. Specify the destination for the captured event data using sp_trace_create.

To set trace definition defaults


To set trace display defaults


To create a trace



To add or remove events from a trace template



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